| 2923 | | Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined: | | | | |
| 2923.10.00 | 00 | Choline and its salts | kg | 3.7% | Free (A,AU,BH,CA, CL,E,IL,J,JO, K,MA,MX, P,SG) | 25% |
| 2923.20 | | Lecithins and other phosphoaminolipids: | | | | |
| 2923.20.10 | 00 | Purified egg phospholipids, pharmaceutical grade meeting requirements of the U.S. Food and Drug Administration, for use in intravenous fat emulsion | kg | Free | | 16.5￠/kg + 30% |
| 2923.20.20 | 00 | Other | kg | 5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, K,MA,MX, P,SG) | 33.4% |
| 2923.90.00 | 00 | Other | kg | 6.2% | Free (A,AU,BH,CA, CL,E,IL,J,JO, K,MA,MX, P,SG) | 15.4￠/kg + 36% |
